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(function () { |
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'use strict'; |
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|
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var typoMap = [ |
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['family','font-family'],['weight','font-weight'],['style','font-style'], |
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['decoration','text-decoration'],['transform','text-transform'], |
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['sizeDesktop','font-size-d'],['sizeTablet','font-size-t'],['sizeMobile','font-size-m'], |
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['lineHeightDesktop','line-height-d'],['lineHeightTablet','line-height-t'],['lineHeightMobile','line-height-m'], |
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['letterSpacingDesktop','letter-spacing-d'],['letterSpacingTablet','letter-spacing-t'],['letterSpacingMobile','letter-spacing-m'], |
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['wordSpacingDesktop','word-spacing-d'],['wordSpacingTablet','word-spacing-t'],['wordSpacingMobile','word-spacing-m'] |
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]; |
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function typoCssVarsForEl(typo, prefix, el) { |
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if (!typo || typeof typo !== 'object') return; |
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for (var i = 0; i < typoMap.length; i++) { |
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var v = typo[typoMap[i][0]]; |
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if (v !== undefined && v !== '' && v !== null) el.style.setProperty(prefix + typoMap[i][1], String(v)); |
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} |
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} |
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|
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var PRESETS = { |
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none: { brightness: 100, contrast: 100, saturation: 100, hueRotate: 0, blur: 0, sepia: 0, grayscale: 0, invert: 0, opacity: 100 }, |
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vivid: { brightness: 105, contrast: 120, saturation: 150, hueRotate: 0, blur: 0, sepia: 0, grayscale: 0, invert: 0, opacity: 100 }, |
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dramatic: { brightness: 90, contrast: 140, saturation: 110, hueRotate: 0, blur: 0, sepia: 0, grayscale: 0, invert: 0, opacity: 100 }, |
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vintage: { brightness: 105, contrast: 95, saturation: 75, hueRotate: 0, blur: 0, sepia: 40, grayscale: 15, invert: 0, opacity: 95 }, |
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noir: { brightness: 100, contrast: 125, saturation: 0, hueRotate: 0, blur: 0, sepia: 0, grayscale: 100,invert: 0, opacity: 100 }, |
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warm: { brightness: 108, contrast: 100, saturation: 110, hueRotate: 20, blur: 0, sepia: 20, grayscale: 0, invert: 0, opacity: 100 }, |
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cool: { brightness: 103, contrast: 105, saturation: 95, hueRotate: -30, blur: 0, sepia: 0, grayscale: 10, invert: 0, opacity: 100 }, |
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faded: { brightness: 112, contrast: 78, saturation: 60, hueRotate: 0, blur: 0, sepia: 15, grayscale: 10, invert: 0, opacity: 90 }, |
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cinema: { brightness: 88, contrast: 130, saturation: 85, hueRotate: 0, blur: 0, sepia: 8, grayscale: 0, invert: 0, opacity: 100 }, |
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matte: { brightness: 110, contrast: 85, saturation: 70, hueRotate: 0, blur: 0, sepia: 10, grayscale: 5, invert: 0, opacity: 88 }, |
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duotone: { brightness: 100, contrast: 120, saturation: 0, hueRotate: 0, blur: 0, sepia: 60, grayscale: 40, invert: 0, opacity: 100 }, |
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highkey: { brightness: 145, contrast: 80, saturation: 80, hueRotate: 0, blur: 0, sepia: 0, grayscale: 0, invert: 0, opacity: 100 }, |
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lowkey: { brightness: 55, contrast: 130, saturation: 100, hueRotate: 0, blur: 0, sepia: 0, grayscale: 0, invert: 0, opacity: 100 }, |
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neonpop: { brightness: 110, contrast: 130, saturation: 200, hueRotate: 45, blur: 0, sepia: 0, grayscale: 0, invert: 0, opacity: 100 } |
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}; |
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|
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var SLIDER_CONFIG = [ |
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{ key: 'brightness', label: 'Brightness', min: 0, max: 300, unit: '%' }, |
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{ key: 'contrast', label: 'Contrast', min: 0, max: 300, unit: '%' }, |
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{ key: 'saturation', label: 'Saturation', min: 0, max: 400, unit: '%' }, |
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{ key: 'hueRotate', label: 'Hue Rotate', min: -180, max: 180, unit: '°' }, |
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{ key: 'blur', label: 'Blur', min: 0, max: 20, unit: 'px' }, |
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{ key: 'sepia', label: 'Sepia', min: 0, max: 100, unit: '%' }, |
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{ key: 'grayscale', label: 'Grayscale', min: 0, max: 100, unit: '%' }, |
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{ key: 'invert', label: 'Invert', min: 0, max: 100, unit: '%' }, |
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{ key: 'opacity', label: 'Opacity', min: 0, max: 100, unit: '%' } |
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]; |
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|
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function buildFilterString(values) { |
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var parts = []; |
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if (values.brightness !== 100) parts.push('brightness(' + values.brightness + '%)'); |
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if (values.contrast !== 100) parts.push('contrast(' + values.contrast + '%)'); |
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if (values.saturation !== 100) parts.push('saturate(' + values.saturation + '%)'); |
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if (values.hueRotate !== 0) parts.push('hue-rotate(' + values.hueRotate + 'deg)'); |
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if (values.blur !== 0) parts.push('blur(' + values.blur + 'px)'); |
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if (values.sepia !== 0) parts.push('sepia(' + values.sepia + '%)'); |
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if (values.grayscale !== 0) parts.push('grayscale(' + values.grayscale + '%)'); |
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if (values.invert !== 0) parts.push('invert(' + values.invert + '%)'); |
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if (values.opacity !== 100) parts.push('opacity(' + values.opacity + '%)'); |
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return parts.length ? parts.join(' ') : 'none'; |
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} |
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|
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function initImageFilter(appEl) { |
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var raw = appEl.dataset.opts; |
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if (!raw) return; |
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var opts; |
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try { opts = JSON.parse(raw); } catch (e) { return; } |
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|
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if (!opts.imageUrl) { appEl.remove(); return; } |
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|
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var defaults = { |
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brightness: opts.brightness, contrast: opts.contrast, |
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saturation: opts.saturation, hueRotate: opts.hueRotate, |
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blur: opts.blur, sepia: opts.sepia, |
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grayscale: opts.grayscale, invert: opts.invert, |
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opacity: opts.opacity |
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}; |
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var current = Object.assign({}, defaults); |
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|
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// Build wrapper |
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var wrap = document.createElement('div'); |
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wrap.className = 'bkbg-if-wrap'; |
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typoCssVarsForEl(opts.captionTypo, '--bkbg-if-cp-', wrap); |
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|
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// Figure |
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var figure = document.createElement('figure'); |
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figure.className = 'bkbg-if-figure'; |
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figure.style.borderRadius = (opts.borderRadius || 12) + 'px'; |
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figure.style.overflow = 'hidden'; |
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if (opts.maxWidth) { |
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figure.style.maxWidth = opts.maxWidth + 'px'; |
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figure.style.marginLeft = 'auto'; |
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figure.style.marginRight = 'auto'; |
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} |
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if (opts.borderColor) { |
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figure.style.border = '2px solid ' + opts.borderColor; |
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} |
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|
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var img = document.createElement('img'); |
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img.src = opts.imageUrl; |
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img.alt = opts.imageAlt || ''; |
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img.style.display = 'block'; |
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img.style.width = '100%'; |
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img.style.borderRadius = (opts.borderRadius || 12) + 'px'; |
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if (opts.imageHeight) img.style.height = opts.imageHeight + 'px'; |
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if (opts.objectFit) img.style.objectFit = opts.objectFit; |
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if (opts.blendMode && opts.blendMode !== 'normal') img.style.mixBlendMode = opts.blendMode; |
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img.style.transition = 'filter ' + (opts.transitionMs || 300) + 'ms ease'; |
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img.style.filter = buildFilterString(defaults); |
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figure.appendChild(img); |
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|
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if (opts.overlayColor && opts.overlayOpacity > 0) { |
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var overlay = document.createElement('div'); |
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overlay.className = 'bkbg-if-overlay'; |
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overlay.style.background = opts.overlayColor; |
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overlay.style.opacity = opts.overlayOpacity / 100; |
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overlay.style.borderRadius = (opts.borderRadius || 12) + 'px'; |
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figure.appendChild(overlay); |
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} |
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|
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if (opts.caption) { |
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var figcap = document.createElement('figcaption'); |
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figcap.className = 'bkbg-if-caption'; |
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figcap.textContent = opts.caption; |
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figcap.style.color = opts.captionColor || '#555'; |
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if (opts.captionBg) figcap.style.background = opts.captionBg; |
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figure.appendChild(figcap); |
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} |
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|
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wrap.appendChild(figure); |
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|
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// Interactive controls |
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if (opts.showControls) { |
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var controls = document.createElement('div'); |
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controls.className = 'bkbg-if-controls'; |
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|
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var top = document.createElement('div'); |
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top.className = 'bkbg-if-controls-top'; |
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|
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var heading = document.createElement('h4'); |
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heading.textContent = 'Filter Controls'; |
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top.appendChild(heading); |
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|
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var rightTools = document.createElement('div'); |
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rightTools.style.display = 'flex'; |
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rightTools.style.gap = '8px'; |
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rightTools.style.alignItems = 'center'; |
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|
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if (opts.showPresets) { |
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var presetSel = document.createElement('select'); |
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presetSel.className = 'bkbg-if-preset-select'; |
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[ |
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['none', 'None'],['vivid','Vivid'],['dramatic','Dramatic'],['vintage','Vintage'], |
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['noir','Noir'],['warm','Warm Glow'],['cool','Cool Ice'],['faded','Faded'], |
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['cinema','Cinema'],['matte','Matte'],['duotone','Duotone'],['highkey','High Key'], |
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['lowkey','Low Key'],['neonpop','Neon Pop'] |
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].forEach(function (p) { |
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var opt = document.createElement('option'); |
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opt.value = p[0]; |
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opt.textContent = p[1]; |
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if (p[0] === opts.preset) opt.selected = true; |
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presetSel.appendChild(opt); |
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}); |
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presetSel.addEventListener('change', function () { |
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var p = PRESETS[presetSel.value]; |
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if (!p) return; |
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Object.assign(current, p); |
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applyFilter(); |
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updateSliders(); |
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}); |
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rightTools.appendChild(presetSel); |
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} |
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|
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if (opts.showReset) { |
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var resetBtn = document.createElement('button'); |
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resetBtn.className = 'bkbg-if-reset-btn'; |
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resetBtn.textContent = 'Reset'; |
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resetBtn.addEventListener('click', function () { |
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Object.assign(current, defaults); |
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applyFilter(); |
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updateSliders(); |
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if (opts.showPresets) presetSel.value = opts.preset || 'none'; |
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}); |
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rightTools.appendChild(resetBtn); |
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} |
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|
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top.appendChild(rightTools); |
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controls.appendChild(top); |
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|
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// Sliders |
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var sliderGrid = document.createElement('div'); |
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sliderGrid.className = 'bkbg-if-sliders'; |
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|
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var sliderEls = {}; |
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var valEls = {}; |
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|
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SLIDER_CONFIG.forEach(function (cfg) { |
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var row = document.createElement('div'); |
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row.className = 'bkbg-if-slider-row'; |
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|
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var labelRow = document.createElement('div'); |
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labelRow.className = 'bkbg-if-slider-label'; |
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|
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var lbl = document.createElement('span'); |
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lbl.textContent = cfg.label; |
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labelRow.appendChild(lbl); |
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|
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var valEl = document.createElement('span'); |
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valEl.textContent = current[cfg.key] + cfg.unit; |
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valEls[cfg.key] = valEl; |
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labelRow.appendChild(valEl); |
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row.appendChild(labelRow); |
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|
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var slider = document.createElement('input'); |
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slider.type = 'range'; |
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slider.className = 'bkbg-if-slider'; |
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slider.min = cfg.min; |
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slider.max = cfg.max; |
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slider.step = 1; |
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slider.value = current[cfg.key]; |
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sliderEls[cfg.key] = slider; |
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|
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slider.addEventListener('input', function () { |
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current[cfg.key] = parseFloat(slider.value); |
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valEl.textContent = current[cfg.key] + cfg.unit; |
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applyFilter(); |
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if (opts.showPresets) presetSel.value = 'none'; |
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}); |
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|
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row.appendChild(slider); |
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sliderGrid.appendChild(row); |
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}); |
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|
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controls.appendChild(sliderGrid); |
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wrap.appendChild(controls); |
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|
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function updateSliders() { |
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SLIDER_CONFIG.forEach(function (cfg) { |
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sliderEls[cfg.key].value = current[cfg.key]; |
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valEls[cfg.key].textContent = current[cfg.key] + cfg.unit; |
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}); |
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} |
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} |
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|
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function applyFilter() { |
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img.style.filter = buildFilterString(current); |
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} |
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|
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appEl.parentNode.replaceChild(wrap, appEl); |
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} |
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|
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document.addEventListener('DOMContentLoaded', function () { |
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document.querySelectorAll('.bkbg-if-app').forEach(initImageFilter); |
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}); |
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|
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if (document.readyState === 'complete' || document.readyState === 'interactive') { |
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document.querySelectorAll('.bkbg-if-app').forEach(initImageFilter); |
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} |
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})(); |
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|
